CN107533167A - Color conversion coatings film and optics - Google Patents
Color conversion coatings film and optics Download PDFInfo
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- CN107533167A CN107533167A CN201680016641.3A CN201680016641A CN107533167A CN 107533167 A CN107533167 A CN 107533167A CN 201680016641 A CN201680016641 A CN 201680016641A CN 107533167 A CN107533167 A CN 107533167A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/206—Filters comprising particles embedded in a solid matrix
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of purposes of color conversion coatings film and the color conversion coatings film in optics.Color conversion coatings film includes red sub- color region and the sub- color region of green, the sub- color region of red includes nanoscale the first red conversion material and nanoscale the second red conversion material, and the sub- color region of green includes nanoscale the first green conversion material and nanoscale the second green conversion material.The invention further relates to a kind of optics, including color conversion coatings film, light switching device, and colour filter.The invention further relates to the method for preparing the color conversion coatings film, and the method for preparing the optics.
Description
Technical field
The present invention relates to a kind of purposes of color conversion coatings film and the color conversion coatings film in optics.The present invention also relates to
A kind of and optics for including the color conversion coatings film, light switching device and colour filter.It is used to make the invention further relates to one kind
The method of the standby color conversion coatings film, and the method for preparing the optics.
Background technology
Color conversion coatings film and various light of the optics for such as liquid crystal device including the color conversion coatings film
Learn in application.
Such as described in following documents：WO 2010/106704 A1, US 6809781 B2, US 2007/0058107
The B2 of A1, US 2006/0284532 A1, US 7686493,
Patent document
The A1 of 1.WO 2010/106704,
The B2 of 2.US 6809781,
The A1 of 3.US 2007/0058107,
The A1 of 4.US 2006/0284532,
The B2 of 5.US 7686493,
6.JP 2003-330019 A
7.JP 2006-10728 A
8.JP 3094961 B
9.JP 2006-301632 A
The content of the invention
It is listed below but inventor has found still there are one or several improved significant problems of needs recently：
1. it is expected that color conversion coatings film can be sent suitable for the bright-coloured red and green of the colour filter used in optics
Color visible ray, the colour filter have at least red, green and the sub- color region of blueness.
2. the total flow of the color conversion material of manufacture film can be reduced by requiring the structure of color conversion coatings film.
3. it is expected that color conversion coatings film can be by more strongly sending out in blue, green, the red wave-length coverage of the colour filter in optics
Go out visible ray to provide improved energy utilization.
4. require that color conversion coatings film has higher output coupling (out-coupling) efficiency.
It is an object of the present invention to solve one or more posed problems above.Surprisingly, inventor is found that one
Plant novel color conversion coatings film (100) while solve problem 1 to 3, the color conversion coatings film (100) includes：Red Zi Se areas
Domain (110), the sub- color region (120) of green and the sub- color region (130) of blueness, wherein the sub- color region (110) of the red, green
Color region (120) and the sub- color region (130) of blueness are surrounded by bank (140) independently of one another or jointly, wherein described
Red sub- color region (110) includes nanoscale the first red conversion material (111) and nanoscale the second red conversion material
(112)；The sub- color region (120) of green includes nanoscale the first green conversion material (121) and the green of nanoscale second turns
Conversion materials (122)；Color region (110) sub- with the blueness does not include any blue transition material, wherein when being excited, it is described
Peak value ripple of the peak wavelength of the light of second red conversion material (112) transmitting than the light from the first red conversion material
Length is longer；With when being excited, the peak wavelength ratio of the light of the second green conversion material (122) transmitting comes from described first
The peak wavelength of the light of green conversion material is longer.
On the other hand, the purposes the present invention relates to the color conversion coatings film (100) in optics.
On the other hand, the invention further relates to a kind of optics (160), including color conversion coatings film (100), light switching device
(170), and colour filter (180), the color conversion coatings film (100) include red sub- color region (110), the sub- color region of green
(120) and the sub- color region (130) of blueness, wherein the sub- color region (110) of red, the sub- color region (120) of green and blueness are sub
Color region (130) is surrounded by bank (140) independently of one another or jointly, wherein sub- color region (110) bag of the red
Include nanoscale the first red conversion material (111) and nanoscale the second red conversion material (112)；The sub- color region of green
(120) nanoscale the first green conversion material (121) and nanoscale the second green conversion material (122) are included；With the blueness
Sub- color region (110) does not include any blue transition material, wherein when being excited, the second red conversion material (112)
The peak wavelength of the light of transmitting is longer than the peak wavelength of the light from the first red conversion material；With when being excited,
Peak of the peak wavelength of the light of second green conversion material (122) transmitting than the light from the first green conversion material
It is longer to be worth wavelength.
On the other hand, the invention further relates to the method for preparing the color conversion coatings film (100), wherein methods described bag
Include it is following in order the step of：
(a) red ink is prepared, the red ink includes nanoscale the first red conversion material (111) and nanoscale the
Two red conversion materials (112), and solvent；And green ink, the green ink include nanoscale the first green conversion material
Expect (121) and nanoscale the second green conversion material (122), and solvent；
(b) the sub- color region (110) of the red and the sub- color of green are arrived in the ink offer that will come from the gained of step (a)
On region (120)；And
(c) solvent in coated ink is evaporated to provide color conversion coatings film (100).
On the other hand, the present invention relates to the method for preparing the optics (160), under wherein methods described includes
Row step (x)：(x) color conversion coatings film (100) is provided into the optics (160).
The further advantage of the present invention will be apparent from detailed description below.
Brief description of the drawings
Fig. 1：The schematic sectional view of the color conversion coatings film (100) of the present invention is shown.
Fig. 2：The schematic sectional view of one embodiment of the optics with color conversion coatings film of the present invention is shown.
Fig. 3：The schematic sectional view of the another embodiment of the optics with color conversion coatings film of the present invention is shown.
Fig. 4：The schematic diagram of the another embodiment of the optics of the present invention is shown.
List of numerals in Fig. 1
100. color conversion coatings film
101. passivation layer (optional)
110. red sub- color region
111. the first red conversion material
112. the second red conversion material
120. the sub- color region of green
121. the first green conversion material
122. the second green conversion material
130. the sub- color region of blueness
140. bank (bank)
150. reflecting layer (optional)
List of numerals in Fig. 2
200. color conversion coatings film
201. passivation layers (optional)
210. red sub- color regions
211. first red conversion materials
212. second red conversion materials
The 220. sub- color regions of green
221. first green conversion materials
222. second green conversion materials
The 230. sub- color regions of blueness
240. bank
250. reflecting layer (optional)
260. optics
270. smooth switching devices (liquid crystal cell)
271. polarizers (optional)
272. transparency carriers (optional)
Transparency electrode on 273.
274. liquid crystal layer
275. have the transparency carrier of pixel electrode
280. colour filter
290. blue-light sources (optional)
List of numerals in Fig. 3
300. color conversion coatings film
311. first red conversion materials
312. second red conversion materials
321. first green conversion materials
322. second green conversion materials
340. bank
360. optics
370. smooth switching devices
371. transparency carrier
372.TFT (thin film transistor (TFT))
373.MEMS (MEMS) shutter (shutter)
380. colour filter
390. blue-light sources (optional)
391 blue leds
392. light guide plates (optional)
List of numerals in Fig. 4
400. optics
401. orientations mark
402. bottom plate glass
403. polarizer
404. colour filter
405. blue-light source
406. color conversion coatings film
Embodiment
At usual aspect, color conversion coatings film (100) includes red sub- color region (110), the sub- color region (120) of green and indigo plant
Dice color region (130), wherein red sub- color region (110), the sub- color region (120) of green and the sub- color region (130) of blueness are each
From being surrounded separately or together by bank (140), wherein red sub- color region (110) includes, nanoscale first is red to be turned
Conversion materials (111) and nanoscale the second red conversion material (112)；The sub- color region (120) of green includes the green of nanoscale first
Transition material (121) and nanoscale the second green conversion material (122)；Any blueness is not included with the sub- color region (110) of blueness
Transition material, wherein when being excited, the peak wavelength ratio of the light of the second red conversion material (112) transmitting comes from described first
The peak wavelength of the light of red conversion material is longer；With when being excited, the second green conversion material (122) transmitting light peak
The peak wavelength for being worth light of the wavelength ratio from the first green conversion material is longer.
According to the present invention, term " nanoscale " means the size between 1nm to 900nm.
So according to the present invention, nanoscale color conversion material means that the overall diameter size of color conversion material arrives in 1nm
In the range of 900nm.And in the case where material has the shape extended, the overall structure length of color conversion material also exists
In the range of 1nm to 900nm.
For the purpose of the present invention, term " blueness " means optical wavelength between 380nm to 499nm.
Preferably, it is between 420nm to 490nm.It is highly preferred that it is between 425nm to 466nm.
According to the present invention, term " green " represents optical wavelength between 500nm to 594nm.
Preferably, it is between 510nm to 580nm.It is highly preferred that it is between 515nm to 550nm.
For the purpose of the present invention, term " red " means optical wavelength between 595nm to 700nm.
In a preferred embodiment of the invention, it is between 600nm to 680nm.It is highly preferred that it is arrived in 610nm
Between 640nm.
According to the present invention, " longer " expression of term at least 5nm differences or more.
In the case where being not intended to be bound by theory, it is believed that " red sub- color region (110) includes red turn of nanoscale first
Conversion materials (111) and nanoscale the second red conversion material (112), wherein when being excited, the second red conversion material (112)
The peak wavelength of the light of transmitting is longer than the peak wavelength of the light from the first red conversion material " it can cause by stronger
Ground sends visible red and improves energy utilization, and can send the bright-coloured of the red area of the colour filter suitable for optics
Red visible.
And in the case where being not intended to be bound by theory, " the sub- color region (120) of green includes the green of nanoscale first and turned
Conversion materials (121) and nanoscale the second green conversion material (122), wherein when being excited, the second green conversion material (122)
The peak wavelength of the light of transmitting is longer than the peak wavelength of the light from the first green conversion material " it can cause by more strongly sending out
Go out visible green and improve energy utilization, and the bright-coloured green of the green area of the colour filter suitable for optics can be sent
Visible ray.
In some embodiments of the present invention, from the peak value ripple of the light of the first and second red conversion of nanoscale material transmitting
Grow in the range of 610nm to 640nm；Exist from the peak wavelength of the light of the first and second green conversion of nanoscale material transmitting
In the range of 515nm to 550nm.
In accordance with the present invention it is preferred that the peak light wavelength ratio nanoscale first of the second nanoscale color conversion material is red
Long 5nm of peak value optical wavelength of transition material or more, and the peak of the light from the transmitting of the first and second red conversion of nanoscale material
It is worth wavelength all in the range of 610nm to 640nm.It is highly preferred that the peak light wavelength ratio of the second nanoscale color conversion material is received
The peak value optical wavelength of meter level the first red conversion material is grown up about 10nm.
In a preferred embodiment of the invention, the peak light wavelength ratio nanoscale of the second green conversion of nanoscale material
Long 5nm of peak value optical wavelength of one green conversion material or more, and launch from the first and second green conversion of nanoscale material
The peak wavelength of light is all in the range of 515nm to 550nm.It is highly preferred that the peak value light wave of the second nanoscale green conversion material
The long peak value optical wavelength than nanoscale the first green conversion material is grown up about 10nm.
According to the present invention, luminance meter, such as CS- can be used from the peak wavelength of the light of nanoscale color conversion material transmitting
1000A (Konica Minolta Holdings Inc.) is measured.
According to the present invention, it is preferable to using full width at half maximum (FWHM) (full width at half maximum, hereinafter referred to as
" FWMH ") it is less than 50nm nanoscale color conversion material.
In some embodiments of the present invention, the first red conversion of nanoscale material (111), nanoscale second are red turns
Conversion materials (112), nanoscale the first green conversion material (121) and nanoscale the second green conversion material (122) are each independent
Ground is selected from the group being made up of inorganic fluorescent semiconductor quantum rod, inorganic fluorescent semiconductor-quantum-point and its any combination.
, as needed preferably can using disclosure as inorganic fluorescent semiconductor-quantum-point (hereinafter referred to as " quantum dot ")
The quantum dot of acquisition, such as CdSeS/ZnS alloys (alloyed) the quantum dot production number 753793 from Sigma-Aldrich,
753777,753785,753807,753750,753742,753769,753866, InP/ZnS quantum dot production numbers 776769,
776750,776793,776777,776785, PbS core pattern quantum dot production numbers 747017,747025,747076,747084, or
CdSe/ZnS alloy quantum dots production number 754226,748021,694592,694657,694649,694630,694622.
In a preferred embodiment of the invention, it is red by nanoscale the first red conversion material (111), nanoscale second
Transition material (112), nanoscale the first green conversion material (121) and nanoscale the second green conversion material (122) are formed
At least one of group nanoscale color conversion material may be selected from inorganic fluorescent semiconductor quantum rod (hereinafter referred to as " quantum
Rod ").
In the case where being not intended to be bound by theory, it is believed that the dipole moment of the light-converting material from the shape with extension
Luminous can cause than the globe-type luminescence from quantum dot, organic fluorescence materials and/or organic phosphorescent material, phosphor material
The high output couple efficiency of output couple efficiency.In other words, it is believed that there is the nanoscale light-converting material of the shape extended (such as
Quantum rod) major axis averagely can have higher probability parallel to substrate surface orientation, and its dipole moment averagely can also have it is higher
Probability is parallel to substrate surface orientation.
Therefore, it is highly preferred that nanoscale the first red conversion material (111), nanoscale the second red conversion material
(112), the first green conversion of nanoscale material (121) and nanoscale the second green conversion material (122) can be quantum rod with
Realize more preferable output coupling effect, and the vivid lively color of device.
In some embodiments of the present invention, quantum bar material can be selected from by II-VI, III-V, IV-VI semiconductors
And its group that any combination is formed.
It is highly preferred that quantum bar material may be selected from by Cds, CdSe, CdTe, ZnS, ZnSe, ZnTe, ZnO, GaAs, GaP,
GaAs、GaSb、HgS、HgSe、HgSe、HgTe、InAs、InP、InSb、AlAs、AlP、AlSb、Cu2S、Cu2Se、CuInS2、
CuInSe2、Cu2(ZnSn)S4、Cu2(InGa)S4、TiO2The group that alloy and its any combination are formed.
For example, for red emission purposes, CdSe rods, the CdSe points in CdS rods, the ZnSe points in CdS rods,
CdSe/ZnS rods, InP rods, CdSe/CdS rods, ZnSe/CdS rods or these in arbitrarily combine.It is all for green emitted purposes
As CdSe rods, CdSe/ZnS rods or these in arbitrarily combine.
The example of quantum bar material is had been described in such as International Patent Application Publication No. WO2010/095140A.
In a preferred embodiment of the invention, the integrally-built length of quantum bar material is 8nm to 500nm.It is more excellent
Selection of land, 10nm to 160nm.The overall diameter of the quantum bar material is in the range of 1nm to 20nm.More particularly, its be 1nm extremely
10nm。
In a preferred embodiment of the invention, quantum rod additionally may include surface ligand.
The surface of the quantum bar material can be applied (over coat) outside using one or more surface ligands.
In the case where being not intended to be bound by theory, it is believed that such surface ligand can be such that the quantum bar material more holds
Change places and be scattered in solvent.
Conventional surface ligand includes phosphine and phosphine oxide, such as trioctyl phosphine oxide (TOPO), tri octyl phosphine (TOP) and three
Butyl phosphine (TBP)；Phosphonic acids, such as dodecyl phosphonic acid (DDPA), tridecane phosphonic acid (TDPA), octadecylphosphonic acid (ODPA)
With hexyl phosphonic acids (HPA)；Amine, such as lauryl amine (DDA), tetradecylamine (TDA), hexadecylamine (HDA) and 18
Alkylamine (ODA)；Mercaptan, such as hexadecanethiol and hexane mercaptan；Mercaptan carboxylic acid, such as mercaptopropionic acid and mercaptoundecylic acid；
With arbitrarily combined in these.
The example of surface ligand is had been described in such as International Patent Application Publication No. WO 2012/059931A.
In some embodiments of the present invention, color conversion coatings film (100) may include transparency carrier.
Generally, transparency carrier can be flexible, semi-rigid or rigid.Light can be applied to using known as needed
Learn the transparency carrier of device.
Preferably as transparency carrier, transparent polymeric substrates, glass substrate can be used, be stacked on transparent polymer
Thin glass substrate, transparent metal oxide on film is (for example, Si oxide (oxide silicone), aluminum oxide, titanyl
Compound).
Transparent polymeric substrates can be manufactured by following：Polyethylene, ethylene-vinyl acetate copolymer, ethylene-vinyl
Alcohol copolymer, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, polyvinyl alcohol, polyvinyl butyral resin, Buddhist nun
Dragon, polyether-ether-ketone, polysulfones, polyether sulfone, tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, polyvinyl fluoride, tetrafluoroethene-second
Alkene copolymer, tetrafluoroethene-hexafluoro polymers copolymers and its any combination.
Term " transparent " refers under the thickness that is used in photovoltaic device, and the wavelength used during photovoltaic cell is run
Or at least 60% incident light transmission under wave-length coverage.It is preferred that it is more than 70%, it is highly preferred that more than 75%, most preferably it is super
Cross 80%.
In a preferred embodiment of the invention, the red sub- color region (110) of color conversion coatings film (100), the sub- color of green
Region (120) and the sub- color region (130) of blueness can also include matrix (matrix) material.
As the host material according to the present invention, can use as needed suitable for any kind of known of optical film
Transparent matrix material, because the host material preferably has well in the manufacture of the sub- color region of color conversion coatings film (100)
Machinability, and there is long durability.
In a preferred embodiment of the invention, light curable polymer and/or photosensitive polymer can be used.For example, with
Acrylate in LCD colour filters, any light curable polysiloxanes, it is widely used as the poly- second of light curable polymer
Enol cinnamate, or its any combination.
According to the present invention, generally, the well known technology material manufacture bank for being widely known for optical film can be used
(140)。
In the case where being not intended to be bound by theory, it is believed that besieged bank can determine that color conversion coatings film (100)
The boundary in sub- color region, and can reduce the material for manufacturing color conversion coatings film (100) compared to existing color conversion coatings film
Consumption.
In some embodiments of the present invention, bank (140) has conical by its shape as depicted in figure 1.
In some embodiments of the present invention, optionally, polarized light-emitting device (100) also comprising black matrix" (under
Text is referred to as " BM ").
In preferred embodiments, bank can be manufactured by black matrix" (hereinafter referred to as " BM "), as retouched in Fig. 1
State.
Material for BM is not particularly limited.Materials known can be preferably used as needed, it is particularly well known to use
In the BM materials of colour filter.Such as the polymer composition that black dyes is scattered, such as in WO 2008/123097A, WO
Described in 2013/031753A.
BM manufacture method is not particularly limited, and well known technology is utilized within the method.Such as direct silk-screen printing,
Photoetching, the vapour deposition with mask.
In some embodiments of the present invention, bank (140) has the reflection being directly arranged on bank surface
Layer (150).
In a preferred embodiment of the invention, bank (140) has tapered form, and bank has direct cloth
Put the reflecting layer (150) on bank surface.
In some embodiments of the present invention, color conversion coatings film (100) marks comprising one or more orientations.
In some embodiments of the present invention, optionally, color conversion coatings film (100) also includes transparent passivating film.Not
Wish in the case of being bound by theory, it is believed that such transparent passivating film can strengthen to color conversion material and/or color conversion
The protection of film (100).
Preferably, transparent passivating layer completely or partially covers color conversion coatings film (100), or color conversion coatings film (100) can
It is placed between two transparent passivating films.
It is highly preferred that color conversion coatings film (100) (being similar to encapsulating) is completely covered in transparent passivating film, or it can sandwich color
Color conversion film (100), color conversion coatings film (100) can be sandwiched by two transparent passivating films.
Generally, transparent passivating film can be flexible, semirigid or rigid.
Transparent material for transparent passivating film is not particularly limited.In preferred embodiments, transparent passivating film is selected from
By the as above transparent polymeric layer described in transparency carrier, transparent metal oxide layer (for example, Si oxide, aluminum oxide,
Titanium oxide) group that is formed.
Generally, preparing the method for transparent passivating layer can change and selected from well known technology as needed.
In preferred embodiments, transparent passivating film can by gas phase base coating process (such as sputtering, chemical vapor deposition,
Vapour deposition, flash distillation) or coating process based on liquid prepare.
In some embodiments of the present invention, optionally, color conversion coatings film (100) can also include at least side of film
Light guide plate.Preferably, light guide plate set on the surface of color conversion coatings film (100) to realize the uniform hair of every individual sub- color pixel
Light.
In another aspect of the present invention, the present invention relates to purposes of the color conversion coatings film (100) in optics.
In a preferred embodiment of the invention, color conversion coatings film (100) can be used in optics, the optics
Selected from the group being made up of liquid crystal display, MEMS display, electric moistening display and electrophoretic display device (EPD).
It is highly preferred that optics can be liquid crystal display.Such as Twisted Nematic LCD, vertical orientation type
Liquid crystal display, IPS types liquid crystal display, guest-host type liquid crystal display and normal black TN types liquid crystal display.
The example of optics is had been described in such as A2 of WO 2010/095140 and the A1 of WO 2012/059931.
On the other hand, the invention further relates to a kind of optics (160), including color conversion coatings film (100), light switching member
Part (170), and colour filter (180), the color conversion coatings film (100) include red sub- color region (110), the sub- color region of green
(120) and the sub- color region (130) of blueness, wherein red sub- color region (110), green sub- color region (120) and blue Zi Se areas
Domain (130) is surrounded by bank (140) independently of one another or jointly, wherein red sub- color region (110) includes nanoscale
First red conversion material (111) and nanoscale the second red conversion material (112)；The sub- color region (120) of green includes nanometer
The first green conversion material (121) of level and nanoscale the second green conversion material (122)；The sub- color region (110) of blueness does not include
Any blue transition material, wherein when being excited, the peak wavelength ratio of the light of the second red conversion material (112) transmitting comes from
The peak wavelength of the light of the first red conversion material is longer；With when being excited, the second green conversion material (122) is launched
Light peak wavelength it is longer than the peak wavelength of the light from the first green conversion material.
In some embodiments of the present invention, the photoelectric device (160) also includes blue-light source (190).
Blue-light source type in the optical device is not particularly limited.For example, can be used blue led, CCFL, EL,
OLED or its any combination.
It is highly preferred that light of the light source emission peak wavelength in the range of from 425nm to 466nm, such as blue led.
In the case where being not intended to be bound by theory, it is believed that the blue ripple of the colour filter used by optics (160)
More strongly launch visible bright-coloured blue light in long scope, blue led of the peak wavelength in the range of from 425nm to 466nm can be with
Improve energy utilization.
It is further preferred that the light of the light source emission peak wavelength in the range of from 440nm to 466nm.Therefore, in this hair
In some bright embodiments, the peak wavelength of the light sent from the blue-light source (190) is in the model from 425nm to 466nm
In enclosing.
In a preferred embodiment of the invention, in addition, blue-light source (190) may include light guide plate comes from blueness to improve
The uniformity of the light of light source (190).
According to the present invention, any kind of known colour filter with red, green, blue dice color region for optics
Device can this mode be used as colour filter (180), such as LCD colour filters.
In a preferred embodiment of the invention, the red sub- color region of colour filter is at least arrived for wavelength in 610nm
It is just transparent between 640nm, and the green sub- color region of colour filter for wavelength at least between 515nm to 550nm
It is just transparent.
In a preferred embodiment of the invention, light switching device (170) may be selected from by liquid crystal cell, MEMS
The group of (hereinafter referred to as " MEMS "), Electrowetting element and electrophoresis element composition.
Therefore, in some embodiments of the present invention, light switching device (170) is selected from by liquid crystal cell, micro electronmechanical
The group of system, Electrowetting element and electrophoresis element composition.
In the case where photoelectricity switching device (170) is liquid crystal cell, it is preferable in this way using any kind of
Known liquid crystal cell.
For example, twisted nematic, vertical orientation type, IPS types, normal black TN types, guest-host type liquid crystal cell (are usually used in
LCD all it is) preferable.
In a preferred embodiment of the invention, photoelectricity switching device (170) can include one or more orientations mark.
Orientation mark can be used for making color conversion coatings film orientation.
In some embodiments of the present invention, optionally, blue-light source (190) is changeable.
According to the present invention, term " changeable " means that this light can be selectively turned on or closed.
In a preferred embodiment of the invention, switchable light source can be multiple blue leds.
In some embodiments of the present invention, optionally, light switching device (170) also includes and is arranged on blue-light source
(190) the selective light reflecting layer between color conversion coatings film (100).
According to the present invention, term " light reflection " means the wavelength used during polarized light-emitting device is run or wavelength model
Enclose the incident light of lower reflection at least about 60%.Preferably, it is more than 70%, it is highly preferred that more than 75%, most preferably, it is super
Cross 80%.
Material for the selective light reflecting layer is not affected by concrete restriction.It can be preferably used for as required
The materials known in selective light reflecting layer.
According to the present invention, the selective light reflecting layer can be single or multiple lift.
In preferred embodiments, selective light reflecting layer is selected from following：Al layers, Al+MgF2Stacking (stacked) layer,
Al+SiO stack layers, Al+ dielectric multilayers, Au layers, dielectric multilayer, Cr+Au stack layers；Wherein selective light reflecting layer is more preferably
Al layers, Al+MgF2Stack layer, Al+SiO stack layers, cholesteryl liquid crystal layer, stacking cholesteryl liquid crystal layer.
The example of cholesteryl liquid crystal layer has been described in such as International Patent Application Publication No. WO 2013/156112A, WO
In 2011/107215 A.
In general, preparing the method in selective light reflecting layer can change on demand, and selected from known technology.
In some embodiments, selective light reflecting layer (outside dechloesterolization liquid crystal layer) is using the painting based on gas phase
Cloth method (such as sputtering, chemical vapor deposition, vapour deposition, flash distillation) or the coating method preparation based on liquid.
, can be for example, by the A of WO 2013/156112A or WO 2011/107215 in the case of cholesteryl liquid crystal layer
It is prepared by described method.
On the other hand, the present invention relates to a kind of method for being used to prepare color conversion coatings film (100), wherein methods described bag
The step of including following order：
(a) red ink is prepared, the red ink includes nanoscale the first red conversion material (111) and nanoscale the
Two red conversion materials (112), and solvent；And green ink, the green ink include nanoscale the first green conversion material
Expect (121) and nanoscale the second green conversion material (122), and solvent；
(b) ink that will come from the gained of step (a) is provided to red sub- color region (110) and the sub- color region of green
(120) on；And
(c) solvent in coated ink is evaporated to provide color conversion coatings film (100).
In a preferred embodiment of the invention, red ink also includes host material, and green ink also includes matrix
Material.
The type of host material is not particularly limited.Many kinds of host materials can be preferably used as required such as can light
The polymer of polymerization.
According to the present invention, in the red and the sub- color region of green for ink accurately to be provided to color conversion coatings film (100),
Ink jet printing method is preferred.
In the case where being not intended to be bound by theory, it is believed that ink jet printing method may be such that color conversion material consumption more
It is few, because ink ejecting method can accurately control quantity of ink during ink-jetting process.
On the other hand, the invention further relates to a kind of method for being used to prepare optics (160), wherein methods described bag
Include the following steps (x)：
(x) color conversion coatings film (100) is provided into optics (160).
In some embodiments of the present invention, methods described may also include step (y)：
(y) using the position of orientation mark regulation color conversion coatings film (100).
Actual alignment method is not particularly limited.Preferably using known alignment technique.
The present invention is more fully described with reference to the following examples, the embodiment is only illustrative and does not limit this
The scope of invention.
Embodiment
Embodiment 1：In this embodiment, an embodiment of the color conversion coatings film (100) of the present invention is disclosed.
For example, as nanoscale the first and second red conversions material, can be used can send peak wavelength 620nm (FWHM
Less than 40nm, production number 790192, Sigma Aldrich) quantum dot and (FWHM is less than 40nm, 630nm peak wavelengths, produces
Article Number 790206, Sigma Aldrich) quantum dot.
It can send peak wavelength 520nm with as nanoscale the first and second green conversions material, can be used (FWHM is less than
40nm, production number 748021, Sigma Aldrich) quantum dot and (FWHM is less than 40nm, 540nm peak wavelengths, production number
748056, Sigma Aldrich) quantum dot.
Embodiment 2：Fig. 2 shows one embodiment of the present of invention.
In this embodiment, liquid crystal cell is used together with blue-light source with color conversion layer.
Embodiment 3：Fig. 3 shows an alternative embodiment of the invention.
In such an embodiment, it is preferred to use MEMS shutters.
Embodiment 4：Fig. 4 shows one embodiment of the optics of the present invention.In this embodiment, color conversion coatings film and
Colour filter includes two orientations and marked independently of one another.These orientations mark can be used for color conversion coatings film and optics, especially
It is the accurate orientation of the colour filter of optics.
Unless otherwise stated, each feature disclosed in this specification can be identical, equivalent or similar by playing
The alternative characteristics of purpose substitute.Therefore, unless otherwise stated, disclosed each feature is only the equivalent of generic series
An or example of similar characteristics.
Term defines
According to the present invention, term " transparent " means at least about 60% incident light thickness used in polarized light-emitting device
Transmit down and under wavelength used or wave-length coverage during polarized light-emitting device operates.Preferably, it is more than 70%, more preferably
Ground, more than 75%, most preferably, it is more than 80%.
Term " fluorescence " is defined as the physical process for having absorbed light or the material transmitting light of other electromagnetic radiation.It is cold light
Form.In most cases, it is light emitted that there is the wavelength longer than absorbing radiation, and therefore lower energy.
Term " semiconductor " means that conductance degree is between conductor (such as copper) and insulator (such as glass) at room temperature
Between material.
Term " inorganic " means any material for not conforming to carbon atom or containing the carbon atom for being bonded to other atoms with ion
Any compound, such as carbon monoxide, carbon dioxide, carbonate, cyanide, cyanate, carbide and rhodanate.
Term " transmitting " means to launch electromagnetic wave by the electron transition in atom and molecule.
Claims (14)
1. a kind of color conversion coatings film (100), including：Red sub- color region (110), the sub- color region (120) of green and the sub- color of blueness
Region (130), wherein the sub- color region (110) of the red, the sub- color region (120) of green and the sub- color region (130) of blueness are respective
Surrounded separately or together by bank (140), wherein the sub- color region (110) of the red includes the red of nanoscale first
Transition material (111) and nanoscale the second red conversion material (112)；The sub- color region (120) of green includes nanoscale the
One green conversion material (121) and nanoscale the second green conversion material (122)；Color region (110) sub- with the blueness is not wrapped
Containing any blue transition material, wherein when being excited, the peak wavelength of the light of the second red conversion material (112) transmitting
Peak wavelength than the light from the first red conversion material is longer；With when being excited, the second green conversion material
Expect that the peak wavelength of the light of (122) transmitting is longer than the peak wavelength of the light from the first green conversion material.
2. color conversion coatings film (100) as claimed in claim 1, wherein from the first and second red conversion of nanoscale material
Transmitting light peak wavelength in the range of from 610nm to 640nm；With from the green conversion of nanoscale first and second
The peak wavelength of the light of the transmitting of material is in the range of from 515nm to 550nm.
3. the color conversion coatings film (100) as described in claim 1 or claim 2, wherein the red conversion of the nanoscale first
Material (111), nanoscale the second red conversion material (112), nanoscale the first green conversion material (121) and nanoscale second
Green conversion material (122) be each independently selected from by inorganic fluorescent semiconductor quantum rod, inorganic fluorescent semiconductor-quantum-point and
It is combined the group of composition.
4. the color conversion coatings film (100) as any one of Claim 1-3, wherein the bank (140) has taper
Shape.
5. color conversion coatings film (100) according to any one of claims 1 to 4, wherein the bank (140) has directly
Reflecting layer (150) on the bank surface.
6. the color conversion coatings film (100) as any one of claim 1 to 5, wherein the color conversion coatings film (100) includes
One or more orientation marks.
7. purposes of the color conversion coatings film (100) in optics.
8. a kind of optics (160), including color conversion coatings film (100), light switching device (170), and colour filter (180),
The color conversion coatings film (100) includes red sub- color region (110), the sub- color region (120) of green and the sub- color region of blueness
(130), wherein the sub- color region (110) of the red, the sub- color region (120) of green and the sub- color region (130) of blueness are each independent
Ground is jointly surrounded by bank (140), wherein the sub- color region (110) of the red includes the red conversion of nanoscale first
Material (111) and nanoscale the second red conversion material (112)；It is green that the sub- color region (120) of green includes nanoscale first
Color transition material (121) and nanoscale the second green conversion material (122)；Color region (110) sub- with the blueness, which does not include, appoints
What blue transition material, wherein when being excited, the peak wavelength of the light of the second red conversion material (112) transmitting is than coming
It is longer from the peak wavelength of the light of the first red conversion material；With when being excited, the second green conversion material
(122) peak wavelength of the light of transmitting is longer than the peak wavelength of the light from the first red conversion material.
9. optics (160) as claimed in claim 8, wherein the photoelectric device (160) also includes blue-light source
(190)。
10. optics (160) as claimed in claim 8 or claim 9, wherein being sent out from the blue-light source (190)
The peak wavelength for the light penetrated is in the range of from 425nm to 466nm.
11. the optics (160) as any one of claim 8 to 10, wherein the blue-light source (190), described
Color conversion coatings film (100), the smooth switching device (170), and the colour filter (180) are arranged by this order.
12. the optics (160) as any one of claim 8 to 11, wherein the smooth switching device (170) is selected from
The group being made up of liquid crystal cell, MEMS, Electrowetting element and electrophoresis element.
13. for the method for preparing the color conversion coatings film (100), wherein methods described include it is following in order the step of：
(a) red ink is prepared, the red ink includes nanoscale the first red conversion material (111) and nanoscale second is red
Color transition material (112), and solvent；And green ink, the green ink include nanoscale the first green conversion material
(121) with nanoscale the second green conversion material (122), and solvent；
(b) ink that will come from the gained of step (a) is provided onto red sub- color region (110) and the sub- color region (120) of green；
And
(c) solvent in coated ink is evaporated to provide color conversion coatings film (100).
14. the method for preparing the optics (160) as any one of claim 8 to 11, wherein methods described
Comprise the following steps (x)：(x) color conversion coatings film (100) is provided into the optics (160).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15000788 | 2015-03-17 | ||
| EP15000788.8 | 2015-03-17 | ||
| PCT/EP2016/000275 WO2016146235A1 (en) | 2015-03-17 | 2016-02-18 | A color conversion film, and optical devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107533167A true CN107533167A (en) | 2018-01-02 |
Family
ID=52807498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680016641.3A Pending CN107533167A (en) | 2015-03-17 | 2016-02-18 | Color conversion coatings film and optics |
Country Status (6)
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|---|---|
| US (1) | US20180081096A1 (en) |
| EP (1) | EP3271781A1 (en) |
| JP (1) | JP2018511830A (en) |
| KR (1) | KR20170127025A (en) |
| CN (1) | CN107533167A (en) |
| WO (1) | WO2016146235A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445174A (en) * | 2019-01-02 | 2019-03-08 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN109616577A (en) * | 2018-10-26 | 2019-04-12 | 纳晶科技股份有限公司 | A kind of quantum dot film and preparation method thereof |
| CN110764175A (en) * | 2019-11-27 | 2020-02-07 | 京东方科技集团股份有限公司 | Color filter, preparation method, display panel and display device |
| CN113039467A (en) * | 2018-11-30 | 2021-06-25 | Dic株式会社 | Color filter |
| CN115700040A (en) * | 2020-06-04 | 2023-02-03 | 三星显示有限公司 | Display device |
| TWI841043B (en) * | 2022-11-10 | 2024-05-01 | 元太科技工業股份有限公司 | Light source device and reflective display |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180024113A (en) * | 2016-08-26 | 2018-03-08 | 삼성디스플레이 주식회사 | Backlight module, display device including the same and method of fabricating the same |
| KR20180034847A (en) * | 2016-09-28 | 2018-04-05 | 삼성전자주식회사 | Display apparatus |
| KR102466272B1 (en) * | 2016-12-28 | 2022-11-14 | 디아이씨 가부시끼가이샤 | Ink composition, light conversion layer, and color filter |
| JP7020014B2 (en) * | 2017-09-14 | 2022-02-16 | Dic株式会社 | Ink composition, light conversion layer and color filter |
| JP7020015B2 (en) * | 2017-09-14 | 2022-02-16 | Dic株式会社 | Ink composition, light conversion layer and color filter |
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| US11112649B1 (en) * | 2020-04-10 | 2021-09-07 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module and display device |
| US11526051B2 (en) | 2021-04-16 | 2022-12-13 | Apple Inc. | Displays with direct-lit backlight units |
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| US11513392B1 (en) | 2021-09-23 | 2022-11-29 | Apple Inc. | Direct-lit backlight units with optical films |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080057342A1 (en) * | 2006-09-05 | 2008-03-06 | Idemitsu Kosan Co., Ltd. | Color conversion substrate |
| CN102356348A (en) * | 2009-03-19 | 2012-02-15 | 夏普株式会社 | Display panel and display device |
| CN103680367A (en) * | 2012-09-19 | 2014-03-26 | 杜比实验室特许公司 | Quantum dot/remote phosphor display system improvements |
| CN104064658A (en) * | 2014-07-05 | 2014-09-24 | 福州大学 | LED display screen and three-dimensional display device thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008010298A (en) * | 2006-06-29 | 2008-01-17 | Idemitsu Kosan Co Ltd | Color conversion board, and color display device |
| JP2011171590A (en) * | 2010-02-19 | 2011-09-01 | Citizen Electronics Co Ltd | Light emitting diode |
| US20120113671A1 (en) * | 2010-08-11 | 2012-05-10 | Sridhar Sadasivan | Quantum dot based lighting |
| JP5961975B2 (en) * | 2011-10-25 | 2016-08-03 | 大日本印刷株式会社 | Color filter for electronic paper and electronic paper |
| KR101542504B1 (en) * | 2013-07-15 | 2015-08-06 | 한국과학기술연구원 | Surface engineered fluorescent nanocomposites and white led using thereof |
-
2016
- 2016-02-18 EP EP16705426.1A patent/EP3271781A1/en not_active Withdrawn
- 2016-02-18 WO PCT/EP2016/000275 patent/WO2016146235A1/en active Application Filing
- 2016-02-18 US US15/558,831 patent/US20180081096A1/en not_active Abandoned
- 2016-02-18 KR KR1020177029683A patent/KR20170127025A/en unknown
- 2016-02-18 CN CN201680016641.3A patent/CN107533167A/en active Pending
- 2016-02-18 JP JP2017549308A patent/JP2018511830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080057342A1 (en) * | 2006-09-05 | 2008-03-06 | Idemitsu Kosan Co., Ltd. | Color conversion substrate |
| CN102356348A (en) * | 2009-03-19 | 2012-02-15 | 夏普株式会社 | Display panel and display device |
| CN103680367A (en) * | 2012-09-19 | 2014-03-26 | 杜比实验室特许公司 | Quantum dot/remote phosphor display system improvements |
| CN104064658A (en) * | 2014-07-05 | 2014-09-24 | 福州大学 | LED display screen and three-dimensional display device thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616577A (en) * | 2018-10-26 | 2019-04-12 | 纳晶科技股份有限公司 | A kind of quantum dot film and preparation method thereof |
| CN113039467A (en) * | 2018-11-30 | 2021-06-25 | Dic株式会社 | Color filter |
| CN109445174A (en) * | 2019-01-02 | 2019-03-08 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN110764175A (en) * | 2019-11-27 | 2020-02-07 | 京东方科技集团股份有限公司 | Color filter, preparation method, display panel and display device |
| CN115700040A (en) * | 2020-06-04 | 2023-02-03 | 三星显示有限公司 | Display device |
| TWI841043B (en) * | 2022-11-10 | 2024-05-01 | 元太科技工業股份有限公司 | Light source device and reflective display |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3271781A1 (en) | 2018-01-24 |
| JP2018511830A (en) | 2018-04-26 |
| WO2016146235A1 (en) | 2016-09-22 |
| US20180081096A1 (en) | 2018-03-22 |
| KR20170127025A (en) | 2017-11-20 |
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Application publication date: 20180102 |